---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-23-000005"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2023-01-31T23:59:59+00:00"
generated_at: "2026-06-20T05:20:45.258290+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Marathon Petroleum Q4 net income $3.3B ($7.09 EPS); full-year cash $16.4B, returned $13.2B

## Summary
- Q4 net income $3.3B ($7.09 diluted EPS) vs $774M ($1.27) a year ago; adjusted net income $3.1B ($6.65).
- Full-year 2022 net income $14.5B ($28.12) vs $9.7B ($15.24) in 2021; adjusted net income $13.5B ($26.16).
- Returned $13.2B to shareholders: $11.9B share repurchases, $1.3B dividends. Board approved incremental $5B buyback authorization.
- 2023 capex outlook $1.3B; ~40% of growth capital for low carbon. Martinez Renewable Fuels Phase I on track for Q1 2023.
- R&M segment Q4 adjusted EBITDA $4.6B vs $1.5B; margin $28.82/barrel. Midstream segment EBITDA stable at $1.4B.

## SEC filing metadata
- accession: 0001510295-23-000005
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2023-01-31T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000005/0001510295-23-000005-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000005/mpc-20230131.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-23-000005
- JSON: https://secwatch.observer/filing/0001510295-23-000005.json
- Plain text: https://secwatch.observer/filing/0001510295-23-000005.txt

## Key facts
- Earnings Releases
  Marathon Petroleum Corp reported full year 2022 results: net income $14.5 billion, EPS $28.12 per diluted share.
  - Period: full year 2022
  - Net income: $14.5 billion
  - EPS: $28.12 per diluted share
  - Result: reported results
  source text: For the full year 2022, net income attributable to MPC was $14.5 billion, or $28.12 per diluted share
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000005/0001510295-23-000005-index.htm
- Earnings Releases
  Marathon Petroleum Corp reported fourth quarter of 2022 results: net income $3.3 billion, EPS $7.09 per diluted share.
  - Period: fourth quarter of 2022
  - Net income: $3.3 billion
  - EPS: $7.09 per diluted share
  - Result: reported results
  source text: Marathon Petroleum Corp. (NYSE: MPC) today reported net income attributable to MPC of $3.3 billion, or $7.09 per diluted share, for the fourth quarter of 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000005/0001510295-23-000005-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.